View Compilation Error

0_0_13810486_15747.cpp:72:6: error: stray '\' in program
      tree[ind].need=tmp\now+(tmp%now!=0);
      ^
0_0_13810486_15747.cpp: In member function 'void Segtree::updata(int, int, int, int)':
0_0_13810486_15747.cpp:72:25: error: expected ';' before 'now'
      tree[ind].need=tmp\now+(tmp%now!=0);
                         ^